ubuntu 18.04 安装 php 7.3

sudo apt update
sudo apt-get install software-properties-common
sudo add-apt-repository ppa:ondrej/php
sudo apt update
sudo apt install php7.3-fpm php7.3-mcrypt php7.3-cli php7.3-xml php7.3-mysql php7.3-gd php7.3-imagick php7.3-recode php7.3-tidy php7.3-xmlrpc php7.3-mbstring php7.3-curl 

确认安装完成：

# php -v
PHP 7.3.9-1+ubuntu18.04.1+deb.sury.org+1 (cli) (built: Sep  2 2019 12:54:24) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.3.9, Copyright (c) 1998-2018 Zend Technologies
    with Zend OPcache v7.3.9-1+ubuntu18.04.1+deb.sury.org+1, Copyright (c) 1999-2018, by Zend Technologies

Unable to locate package php7.3-mcrypt

TODO